Ⅱ
XPRIZE Water Scarcity logo with Mohamed Bin Zayed Water Initiative branding on a teal background

OceanWell is an XPRIZE Water Scarcity semifinalist

20
Track A semifinalists
$119M
Prize purse
2026
Semifinals testing, Q4

OceanWell is one of 20 Track A semifinalists in the $119 million XPRIZE Water Scarcity competition, the largest prize ever dedicated to water, and the only US team among the five offshore systems still in the field. Semifinals testing starts in the fourth quarter of 2026.

OceanWell co-founder and COO Jonathan Haswell holds the XPRIZE Water Scarcity 2026 Semifinalist Teams Book with XPRIZE's Hossein Atoufi (Technical Lead) and David Locke (Executive Program Director), in front of an OceanWell slide at the Global Water Summit in Madrid
Semifinalist
12 May 2026
OceanWell advances to the XPRIZE Water Scarcity semifinals as one of 20 Track A teams

At a glance

Competition

XPRIZE Water Scarcity, a $119 million, five-year global competition launched in March 2024 by the XPRIZE Foundation, sponsored by the Mohamed bin Zayed Water Initiative

Track

Track A, Desalination: System-Level Innovation

Current status

Semifinalist, announced 12 May 2026 (one of 20 in Track A, 37 across both tracks)

Qualified Team

Named 22 September 2025 at Climate Week NYC (one of 93 in Track A, 143 across both tracks, from 674 entries)

Moonshot focus

Marine-Friendly Intake Design

Grand prize

$40 million for first place in Track A; winners announced in 2028

Team leader

Jonathan Haswell, co-founder and Chief Operating Officer, who runs OceanWell's non-dilutive financing (NDF) team

Next milestone

Semifinals testing, Q4 2026; finalists announced in 2027

Digital illustration of a water droplet made of connected nodes, representing innovation in desalination for global water use, with XPRIZE Water Scarcity branding.
The subsea water farm, OceanWell's Track A entry
Track A: System-Level Innovation
Track A asks for the desalination system of the future, judged from intake to output. OceanWell's entry is the subsea water farm: modular pods anchored to the seafloor at around 400 metres, where the weight of the water column supplies most of the pressure that reverse osmosis needs. Using the ocean as the pressure vessel cuts energy use by up to 40% against conventional plants, needs no chemical pre-treatment, and returns water to the deep ocean at close to natural salinity instead of discharging concentrated brine at the shore.
The 4,000 m³/day pod
A Track A winner has to produce at least one million litres of drinking water a day from seawater, over a full year, at the lowest cost. Each OceanWell pod is designed to produce 4,000 cubic metres a day, four times that threshold, and pods combine into water farms that scale from a few million gallons a day to utility scale. Of the 20 Track A semifinalists, five are offshore systems; OceanWell is the only one from the United States.
Moonshot: Marine-Friendly Intake Design
Alongside the main prize, Track A recognises exceptional performance in four Moonshot areas: marine-friendly intake design, resource circularity and brine management, an energy-efficiency step change, and minimal physical footprint. OceanWell's declared focus is Marine-Friendly Intake Design, which targets near-zero disruption to marine life at the intake. That is the problem LifeSafe™ was built to solve: a low-velocity intake that lets fish larvae and plankton pass unharmed. Semifinalist Moonshot Awards are worth $2 million each; Finalist Moonshot Awards, $3 million.
3D rendering of OceanWell subsea water farm pods connected by pipelines, designed for sustainable desalination.

The road to 2028

674 teams from 86 countries pre-registered. 155 registered for Track A, 93 became Qualified Teams, and 20 are semifinalists. Up to five finalists will be named in 2027, and the winners in 2028.

Track A · System-Level Innovation · 2024–2028

674
teams

Pre-registered teams

86 countries · both tracks · launched March 2024

100%
155
teams

Registered teams

40 countries · Track A registration closed March 2025

23%
93
teams

Qualified Teams

28 countries · announced 22 September 2025

14%
20
teams

Semifinalists

10 countries · announced 12 May 2026 · testing Q4 2026

OceanWell · current stage
3%
5
teams

Finalists

Up to five teams · announced 2027 · testing 2027–2028

<1%
1
team

Grand Prize winner

$40M first place, $20M second, $10M third · 2028

<1%
Figures from XPRIZE's 2026 Semifinalist Teams Book and competition guidelines. Track B, Novel Materials and Methods, runs in parallel with 50 Qualified Teams and 17 semifinalists.
Competition milestones
OceanWell's path through XPRIZE Water Scarcity Track A: 674 pre-registered teams, 155 registered, 93 Qualified Teams, 20 semifinalists including OceanWell, up to 5 finalists and one grand prize winner in 2028

The journey so far

6 October 2024

WEFTEC 2024, New Orleans

OceanWell is one of five teams invited to present at the XPRIZE Water Scarcity Prize Summit at WEFTEC, the largest water-quality conference in North America, represented by Jonathan Haswell and Jamie Spotswood.

XPRIZE's summit report
Entrance to the XPRIZE Water Scarcity Team Summit at WEFTEC 2024 in New Orleans, with an XPRIZE banner reading 'Revolutionizing Desalination for Global Water Use'
The Team Summit room at WEFTEC 2024.
10 December 2024

OceanWell enters the competition

OceanWell announces it will compete in XPRIZE Water Scarcity with its deep-sea alternative to conventional desalination, capping a year that included an $11 million Series A and selection for the European Water Tech Accelerator.

Press release
Announcement graphic showing OceanWell joining the $119M XPRIZE Water Scarcity competition, with logos of OceanWell and Mohamed Bin Zayed Water Initiative
The entry announcement, December 2024.
18 to 20 August 2025

Track A Team Summit, University of Calgary

About 50 qualified teams from 18 countries gather at the University of Calgary's Hunter Hub for Entrepreneurial Thinking, hosted by the XPRIZE Canada Hub, for prize updates, testing briefings, investor sessions and a tour of the ACWA water research facility.

UCalgary's summit page
Qualified teams seated for the opening session of the XPRIZE Water Scarcity Track A Team Summit at the University of Calgary's Hunter Hub, with the Tuesday, August 19 agenda on screen
Opening day at the Hunter Hub, 19 August 2025.
22 September 2025

Named a Qualified Team at Climate Week NYC

XPRIZE announces 143 Qualified Teams from 29 countries, selected from 674 entries. OceanWell is one of 93 in Track A.

OceanWell's announcementXPRIZE's release
13 October 2025

IDRA Reykjavik Summit on Water and Climate Change

At Harpa in Reykjavík, Jonathan Haswell joins XPRIZE Water Scarcity's Executive Program Director David Locke on the panel "From the Sea to the City: Scaling Innovation in Desalination and Renewable Reuse", at a summit held under the patronage of Iceland's Minister for the Environment, Energy and Climate. IDRA, the International Desalination and Reuse Association, is an official partner of the competition.

OceanWell's Jonathan Haswell, third from left, with XPRIZE Water Scarcity's David Locke, second from left, on the IDRA Reykjavik Summit panel 'From the Sea to the City: Scaling Innovation in Desalination and Renewable Reuse' at Harpa, Reykjavík
Jonathan Haswell (third from left) and David Locke (second from left) on the panel at Harpa. Photo: IDRA.
19 December 2025

Qualified Teams testing closes

Track A teams complete field testing of working systems, each required to produce at least 1,000 litres of drinking water a day over two weeks while meeting local environmental standards.

12 May 2026

Named a Track A semifinalist Current stage

XPRIZE and the Mohamed bin Zayed Water Initiative name 37 semifinalists: 20 in Track A and 17 in Track B. OceanWell advances in Track A for the technical merit and operational performance of its subsea water farm technology.

OceanWell's announcementXPRIZE's release
18 to 20 May 2026

Global Water Summit, Madrid

The semifinalist teams convene with XPRIZE and the Mohamed bin Zayed Water Initiative at the Global Water Summit, where XPRIZE launches its 2026 Semifinalist Teams Book and connects teams with investors, utilities and industry partners.

XPRIZE: What's next for Water Scarcity
OceanWell's Jonathan Haswell speaks during the XPRIZE Water Scarcity semifinalist sessions at the Global Water Summit in Madrid, an XPRIZE Water Scarcity sticker on the laptop in front of him
Jonathan Haswell in the semifinalist sessions, Madrid.
Q4 2026

Semifinals testing

Semifinalist systems are tested in the field. Track A teams are also assessed for the Moonshot Awards.

2027

Finalists announced

Up to five Track A teams advance, each receiving a $2 million Finalist Milestone Award.

Q4 2027 to Q3 2028

Finals testing

A year of testing at scale: one million litres of drinking water a day, reliably and at the lowest cost.

Q4 2028

Winners announced

$40 million for first place in Track A, $20 million for second and $10 million for third, plus Finalist Moonshot Awards of $3 million each.

On the road with XPRIZE

About the competition

About the competition

XPRIZE Water Scarcity is a $119 million, five-year competition to make seawater desalination reliable, affordable and sustainable enough to serve the billions of people facing water stress. It was launched in March 2024 by the XPRIZE Foundation with the Mohamed bin Zayed Water Initiative as title sponsor, and runs in two tracks: Track A, System-Level Innovation ($108 million in awards), and Track B, Novel Materials and Methods ($10.9 million). Teams advance through Qualified, Semifinalist and Finalist stages, with milestone awards at each. The Track A winner will reliably produce one million litres of potable water a day from seawater at the lowest cost over a year of testing, and will be announced in 2028.

What XPRIZE asks of a team

A system that performs. A winning Track A entry has to run at 1,000 m³/day or more for a full year in the finals, at 70% uptime, while recovering from simulated power outages, algae blooms, oil spills and flash floods.
A module that scales. The 1,000 m³/day system is a module that scales to 300,000 m³/day, and teams are judged on cost against a benchmark commercial seawater reverse osmosis plant and on the size of the market they can reach.
A go-to-market strategy, with the skills, infrastructure and people to execute it. XPRIZE calls this market readiness, and teams demonstrate it by operating the full system.
An actionable solution: a technology that performs and a team able to deliver it. Of the 674 teams that entered, 20 remain in Track A.
Why OceanWell entered
OceanWell’s Goal
California Water Farm 1 graphic with map and subsea pod array, representing OceanWell’s first large-scale project.
California
Water Farm 1
OceanWell entered XPRIZE Water Scarcity to prove, under independent judging, that subsea water farms can cut desalination's energy use, protect marine life and deliver drought-proof fresh water at utility scale. The competition's stages run alongside our own: the pilot at the Las Virgenes Reservoir with Las Virgenes Municipal Water District, the demonstration planned for 2027, and California Water Farm 1, set to deliver up to 60 million gallons a day by 2030. Each XPRIZE milestone is independent validation of that path.
The team
OceanWell team at Las Virgenes, California

The team behind the entry

XPRIZE Water Scarcity is a whole-company effort at OceanWell, because the competition is built that way. XPRIZE is unusual in what it asks of a team: a winning Track A entry has to run at 1,000 m³/day or more for a full year, as a module that scales to 300,000 m³/day, and the team needs a go-to-market strategy with the skills, infrastructure and people to execute it. What XPRIZE rewards is an actionable solution, meaning a technology that performs and a team able to deliver it.

At OceanWell the competition sits with the non-dilutive financing (NDF) team, which secures the grants, prize awards and public funding that carry a new water technology from pilot to first deployment. Jonathan Haswell, co-founder and Chief Operating Officer, runs the NDF team and is OceanWell's XPRIZE team leader.

What the judges test is the work of OceanWell's engineering team in California. The team has taken subsea reverse osmosis from a 2021 prototype at a US naval base to a system in real-world testing at the Las Virgenes Reservoir, and that progress is what earned OceanWell its place among the 20 semifinalists. The 4,000 m³/day subsea pod, the subsea reverse osmosis system and the LifeSafe™ intake were developed under co-founder and CEO Robert Bergstrom and co-founder and Chief Technology Officer Dr. Michael Porter, and are built, tested and refined by the engineers now preparing the system for the semifinals. Our environment team's research on marine life protection underpins the Moonshot Award entry for Marine-Friendly Intake Design. The NDF team runs the competition; the engineering and environment teams build the system it judges, and each stage OceanWell clears rests on their work.

Questions people ask

What is Track A of XPRIZE Water Scarcity?

Track A is for complete desalination systems. The winning team must reliably produce at least one million litres of potable water a day from seawater, over a year, at the lowest cost, with first prize of $40 million. OceanWell competes in Track A with its subsea water farm.

How many teams are left in the competition?

674 teams from 86 countries pre-registered. 143 became Qualified Teams (93 in Track A, 50 in Track B). 37 are semifinalists: 20 in Track A, including OceanWell, and 17 in Track B. Up to five Track A finalists will be named in 2027.

What happens in the semifinals?

Semifinals testing takes place in the fourth quarter of 2026. Finalists are announced in 2027, finals testing runs from late 2027 to the third quarter of 2028, and the winners are announced in the fourth quarter of 2028.

Who leads OceanWell's XPRIZE team?

Jonathan Haswell, OceanWell's co-founder and Chief Operating Officer, is the XPRIZE team leader and runs the non-dilutive financing (NDF) team that carries the competition at OceanWell. The system being tested is the work of OceanWell's engineering team in California under co-founder and CEO Robert Bergstrom and co-founder and CTO Dr. Michael Porter. OceanWell's profile appears on page 29 of XPRIZE's 2026 Semifinalist Teams Book.

News